Creamy Gruyère Flank Steak Crockpot Dinner Step-by-step instructions

Before you start

Before starting, slice the flank steak thinly against the grain. This is easier when the meat is slightly chilled. Peel the pearl onions if using fresh; frozen pearl onions can be used straight from the bag. Wash and cut the carrots into crinkle-cut pieces if not using pre-cut.

Soften the cream cheese to room temperature so it melts more evenly. Have all ingredients measured and ready, then layer them in the slow cooker in the order listed. There is no need to preheat the slow cooker or brown anything.

Instructions

Layer and Go

1. 1Layer the Beef
   Place the thinly sliced flank steak strips in the bottom of a 6-quart slow cooker. Spread them out so they cover the bottom evenly.
   Look for The beef strips should be in a single layer as much as possible.
   Tip Slicing against the grain helps the meat stay tender after long cooking.
2. 2Add the Vegetables
   Scatter the pearl onions and crinkle-cut carrots over the beef. No need to stir; just let them rest on top.
   Look for Vegetables should cover the beef evenly.
   Tip Frozen pearl onions work well; no need to thaw.
3. 3Top with Cheeses
   Drop the softened cream cheese in dollops over the vegetables, then sprinkle the shredded Gruyère over everything.
   Look for The top should be dotted with cream cheese and covered with Gruyère.
   Tip Soften the cream cheese beforehand for easier spreading.

At the end of this phase, the slow cooker contains raw beef, onions, carrots, and cheeses, all layered neatly. The ingredients look fresh and colorful.

The cream cheese is in dollops, and the Gruyère is scattered on top. There is no need to mix; the slow cooker will blend everything during cooking. The setup takes only a few minutes, and then the lid goes on.

Slow Simmer

4. 4Cook Low and Slow
   Cover the slow cooker and cook on LOW for 6 to 8 hours, or on HIGH for 3 to 4 hours, until the beef is fork-tender and the sauce is bubbling. Let it rest for 3 minutes before slicing.
   Look for The sauce will be bubbling around the edges and the beef will shred easily with a fork.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Avoid lifting the lid during cooking to keep the heat steady.
5. 5Stir the Sauce
   After cooking, stir the sauce gently to combine the melted cheeses into a smooth, creamy gravy. The beef should be tender enough to pull apart with a spoon.
   Look for The sauce should look silky and coat the beef and vegetables.
   Tip If the sauce seems thin, let it cook uncovered for 10-15 minutes to thicken.

After several hours, the slow cooker is bubbling gently. The aroma is rich and savory with notes of melted cheese and beef. The sauce has turned a creamy golden color, and the beef is visibly tender, starting to pull apart. The vegetables are soft but still hold their shape. Stirring gently reveals a smooth, velvety sauce that coats the ingredients.

Finish and Serve

6. 6Serve the Steak and Gravy
   Ladle the hot beef, vegetables, and creamy sauce over toasted brioche slices or mashed potatoes. Serve immediately.
   Look for The beef should be glistening with sauce and the vegetables tender.
   Tip For a thicker sauce, mash some of the cooked onions into the gravy.

The dish is fully cooked and ready to serve. The sauce is thick and glossy, clinging to the beef and vegetables. The beef shreds easily with a fork, and the carrots are tender. The cheese is fully melted, and the flavors have melded into a rich, savory gravy. Serving over toasted brioche or mashed potatoes makes a complete meal.

Common mistakes

One common mistake is lifting the lid too often during cooking, which lets heat escape and extends the cooking time. Another is using a lean cut like round steak, which can become dry and tough; stick to flank, sirloin, or chuck.

Overcooking can cause the beef to become stringy, so check for doneness at the lower end of the time range. Finally, don't skip slicing against the grain—this shortens the muscle fibers and makes the meat more tender. If the sauce splits, it may be from too high heat; stir in a tablespoon of warm cream to bring it back together.

How to tell it’s done

The dish is done when the beef is fork-tender and easily pulls apart. The internal temperature of the beef should reach at least 145°F (63°C); after resting, it will continue to rise. The sauce should be bubbling and slightly thickened, with the cheeses fully melted and smooth.

The carrots should be tender but not mushy. If the sauce seems too thin, remove the lid and cook on HIGH for an additional 10 to 15 minutes to reduce. Let the beef rest for at least 3 minutes before serving to allow the juices to redistribute.

• Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest